الباحثون

Yunhe Feng

المنشورات 5

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Arctic Questions, Missing Answers: A Dataset and Benchmark for LLM Abstention in Arctic Science

Large language models (LLMs) should abstain from scientific multiple-choice questions when no option is valid, but frequent abstention alone does not demonstrate sensitivity to answer availability. We introduce ArcticQA, a dataset of 194 questions derived from primary Arctic research, with automated checks of answer su …

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Resource-Aware Grover Search for Minimum Vertex Cover

The Minimum Vertex Cover (MVC) problem is a fundamental NP-hard combinatorial optimization problem with applications in network analysis and resource allocation. Grover's algorithm provides a quadratic reduction in query complexity for unstructured search, but existing Grover-based MVC formulations can incur substantia …

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AlignQuant: Tile-Aligned Mixed-Precision Quantization for Efficient LLM Generation

Hanzhi Zhang, Qiao Zhang, Qinglei Cao وآخرون · 2026

Fine-grained mixed-precision quantization promises efficient large language model inference, but local precision choices can conflict with regular GPU storage and computation units. This precision-boundary mismatch limits the translation of compression into practical acceleration. We introduce AlignQuant, a post-traini …

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RGBD20K: A Large-Scale Benchmark for RGB-D Semantic Segmentation

Shaohua Dong, Zexuan Meng, Haiyan Sun وآخرون · 2026

In this paper, we propose RGBD20K, a novel dataset for facilitating the development of more robust and general RGB-D semantic segmentation by encompassing abundant categories and high-quality annotations. RGBD20K possesses several attractive properties: (1) Expanded Semantic Space. In particular, it covers 160 fine-gra …

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Knowing When to Trust Images: Reliability-Aware Multi-modal Entity Alignment

Chenxiao Li, Yunhe Feng, Dongfang Liu وآخرون · 2026

The visual modality, i.e., images, plays a key role in multi-modal entity alignment (MMEA). Existing approaches often directly fuse the image with other modalities to align different entities. Although simple, such strategies overlook the potential noise in the images and their semantic misalignment with corresponding …

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